673407766766 has 32 divisors (see below), whose sum is σ = 1191890073600. Its totient is φ = 279237852000.

The previous prime is 673407766763. The next prime is 673407766861. The reversal of 673407766766 is 667667704376.

673407766766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673407766763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060816 + ... + 2365116.

It is an arithmetic number, because the mean of its divisors is an integer number (37246564800).

Almost surely, 2^673407766766 is an apocalyptic number.

673407766766 is a deficient number, since it is larger than the sum of its proper divisors (518482306834).

673407766766 is a wasteful number, since it uses less digits than its factorization.

673407766766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309440.

The product of its (nonzero) digits is 224042112, while the sum is 65.

The spelling of 673407766766 in words is "six hundred seventy-three billion, four hundred seven million, seven hundred sixty-six thousand, seven hundred sixty-six".